Home / 8,560.84-11,815.51-4,976.29

Finding the Fourth Proportional to 8,560.84, 11,815.51 and 4,976.29

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Solution

The fourth proportional to 8,560.84, 11,815.51 and 4,976.29 is: 6,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.84 : 11,815.51 = 4,976.29 : x
  2. Step 2: Convert to fraction form
    8,560.84/11,815.51 = 4,976.29/x
  3. Step 3: Cross multiply
    8,560.84x = 11,815.51 × 4,976.29
  4. Step 4: Simplify right side
    8,560.84x = 58,797,345.18
  5. Step 5: Solve for x
    x = 58,797,345.18/8,560.84
  6. Step 6: Final answer
    x = 6,868.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.